Rowing machine



FIG. 1 is a front perspective view of a rowing machine.

FIG. 2 is a front view of the rowing machine of FIG. 1 .

FIG. 3 is a back view of the rowing machine of FIG. 1 .

FIG. 4 is a right side view of the rowing machine of FIG. 1 .

FIG. 5 is a left side view of the rowing machine of FIG. 1 .

FIG. 6 is a top view of the rowing machine of FIG. 1 .

FIG. 7 is a bottom view of the rowing machine of FIG. 1 ; and,

FIG. 8 is a back perspective view of the rowing machine of FIG. 1 .

The broken lines illustrate environmental features that form no part of the claimed design. 

CLAIM The ornamental design for a rowing machine, as shown and described. 